Investigation #1
The Sun
Investigation #2
Planetary Systems
Investigation #3
Earth's Atmosphere
Investigation #4
Heating Earth
Investigation #5
Water Planet
100

Earth rotates on an imaginary line called what?

Axis

100

We see all of the Moon when it is a:

Full Moon

100

Weather happens in the _______ layer of Earth's Atmosphere.

Troposphere

100

Things that are more dense, do what?

Sink

100

The gaseous state of water is called what?

Water Vapor
200

If revolution is "To travel around something in a circular path; orbit" then what is rotation?

Turning around on an axis.

200

Waxing means _________ while waning means _________.

Waxing = growing larger

Waning = growing smaller

200

What weather instrument measures air pressure?

Barometer

200

Whats the main difference between air and water particles?

Air particles move around a lot and aren't constantly touching, they do bump into each other thought. Water particles are flowing, but always touching. 

200

Most of Earth's fresh water is found where?

In ice caps and glaciers

300

On a sunny day, what time would you see your shortest shadow?

Noon, when the Sun is at it highest position in the sky.

300

About how long does one full lunar cycle (moon phases) typically take?

4 weeks

300

The hydrosphere is all of the _____ on Earth.

Water!

300

In GREAT detail, how is Earth warmed?

The Sun warms the Earth through the Geosphere and Hydrosphere first, those then come in contact with the air, warming it!

300

Most of the Earth's water is made up of:

The Ocean/salt water

400

Night is the side of Earth that is:

Facing away from the Sun.

400

If someone were to tell you that our Sun, a star, is the biggest and brightest, what would you say to them. Please explain with great detail.

No, our Sun, a star, is not the biggest in brightest star. It only appears that way because it is so close to us. There are MANY larger and brighter stars, they're just so much further away from us than our star, the Sun!

400

What two gases are the most plentiful in Earth's atmosphere?

Nitrogen and Oxygen

400

Wind is caused by what?

Cold dense air flowing towards/into warm less dense air.

400

What is the difference between evaporation and condensation?

Evaporation: Water to gas

Condensation: Gat to water

500

What two motions are the reason that there are more daylight hours in the Summer?

1. Earth orbiting the Sun

2. Earth rotating on its tilted axis

500

Why don't we see the same stars all year long?

We don't see all the same stars because depending on where we are in our Orbit around the Sun, we face towards different stars at night time. **See image**
500

For something to be 'matter' it means what two things?

1. It takes up space

2. It has a mass

500

How do warm and cool air particles differ? I need three ways!

Warm: less dense, rise, a little further apart

Cool: more dense, sink, a little closer together

500

Explain, in great detail, a 5+ step water cycle that a droplet could take. It needs to go at least 5 different places and they need to be in an order that could really happen. 

**Answers will vary**
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